2221634361222 has 192 divisors, whose sum is σ = 5155130013696. Its totient is φ = 689985838080.

The previous prime is 2221634361131. The next prime is 2221634361283.

2221634361222 is a `hidden beast` number, since 2 + 2 + 2 + 1 + 6 + 34 + 3 + 612 + 2 + 2 = 666.

2221634361222 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 873626083 + ... + 873628625.

It is an arithmetic number, because the mean of its divisors is an integer number (26849635488).

Almost surely, 2^{2221634361222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2221634361222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2577565006848).

2221634361222 is an abundant number, since it is smaller than the sum of its proper divisors (2933495652474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221634361222 is a wasteful number, since it uses less digits than its factorization.

2221634361222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2995 (or 2992 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The spelling of 2221634361222 in words is "two trillion, two hundred twenty-one billion, six hundred thirty-four million, three hundred sixty-one thousand, two hundred twenty-two".